According to EETimes Intel is already shipping data only LTE modems to customers and data-and-voice multimode modem would ship during 2013.

Intel is significantly lagging in the integrated modem and processor space that puts Intel way behind Qualcomm Inc., which already offers integrated LTE capability in its Snapdragon line of application processors. Intel's wireless capabilities are largely credited to the acquisition of wireless business unit of Infineon Technologies AG (Munich, Germany). This very team is known for its solid engineering capabilities while being cost effective and cost competitive.

Intel is one of few companies that was given access to the Google Android Honeycomb source code–which Google has to this date not made public yet because the company is still optimizing Honeycomb for future phone releases–and it took Intel a few weeks to re-compile the code to make it compatible for its x86 architecture–the code was originally written for ARM chipsets. "It is HOT" [More here]